L'Hemisféric is a combined IMAX cinema, planetarium, and laserium housed inside one of the most sculpturally distinctive buildings in Europe. Designed by Valencia-born architect Santiago Calatrava, the structure was inaugurated on 16 April 1998 as the very first completed building within the City of Arts and Sciences — a complex that would go on to redefine Valencia's urban and cultural identity entirely. From the outset, L'Hemisféric set the architectural tone for the whole site: audacious, biomorphic, and unapologetically futuristic.
The building's form is a precise architectural metaphor: it represents a giant human eye. The massive ovoid roof stretches over 100 metres in length and functions as the "eyelid," opening and closing via a retractable lamella system to reveal the white dome beneath. That dome houses a concave IMAX screen measuring 900 square metres — the largest in Spain capable of screening IMAX Dome, 3D digital cinema, and fulldome digital projections. The structure sits within a surrounding water pool of 24,000 square metres, which acts as a mirror, doubling the building's visual impact and completing the illusion of an immense eye gazing skyward. Calatrava conceived this form as an "eye of knowledge," a symbolic threshold between the everyday world and the cosmos above — fitting for a building that functions as a planetarium at its core.
Inside, visitors recline in steeply raked seating beneath the vast hemispherical screen for immersive screenings covering astronomy, natural history, and cutting-edge science. The planetarium programme maps the night sky with high-resolution digital precision, while IMAX productions use the dome's curvature to create a surrounding field of vision that standard flat screens cannot approximate. The programming rotates regularly, meaning repeat visits consistently offer new content. The interior is deliberately kept dim and minimal — all attention is directed upward, toward the screen that envelopes your entire field of vision.
L'Hemisféric sits centrally within the City of Arts and Sciences, positioned between the Príncipe Felipe Science Museum to the west and the Palau de les Arts Reina Sofía opera house to the east, making it a natural anchor point for a full-day visit to the complex. Tickets start at €8.90, with discounted rates available for children, students, and seniors; combination tickets covering multiple venues in the complex offer the best value. Screenings run throughout the day in multiple languages — check the official schedule in advance, as popular sessions fill quickly, especially on weekends and during school holidays. The building's exterior is equally rewarding at dusk, when artificial lighting transforms the reflective pool into a luminous spectacle.